Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cot chat hoa snippets" » "cot hat hoa snippets", "cong chat hoa snippets", "hoat chat hoa snippets", "cot thuat hoa snippets", "cot chat va snippets", "cot cau hoa snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("cot chat hoa snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cot chat hoa snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cot chat hoa snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cot chat hoa snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.